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| -rw-r--r-- | guides/source/active_record_migrations.md | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/guides/source/active_record_migrations.md b/guides/source/active_record_migrations.md index 75e1096426..7fdb5901f3 100644 --- a/guides/source/active_record_migrations.md +++ b/guides/source/active_record_migrations.md @@ -973,9 +973,9 @@ that Active Record supports. This could be very useful if you were to distribute an application that is able to run against multiple databases. NOTE: `db/schema.rb` cannot express database specific items such as triggers, -sequences, stored procedures or check constraints, etc. While in a migration you -can execute custom SQL statements, the schema dumper cannot reconstitute those -statements from the database. If you are using features like this, then you +sequences, stored procedures or check constraints, etc. Please note that while +custom SQL statements can be run in migrations, these statements cannot be reconstituted +by the schema dumper. If you are using features like this, then you should set the schema format to `:sql`. Instead of using Active Record's schema dumper, the database's structure will |